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988-4238 — SCREW,CAP,SOCKET HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

988-4238: SCREW,CAP,SOCKET HEAD.

The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_diameter: 35.38 MILLIMETERS MINIMUM AND 36.00 MILLIMETERS MAXIMUM MM, thread_length: 45.0 MILLIMETERS NOMINAL MM, thread_direction: RIGHT-HAND, width_across_flats: 12.032 MILLIMETERS MINIMUM AND 12.212 MILLIMETERS MAXIMUM MM, end_item_identification: 2320-01-534-1887. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-680-6355, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
988-4238
NSN: 5305-01-680-6355
FSC: 5305 — Screws
CAGE: 34914 — HIAB USA INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_diameter35.38 MILLIMETERS MINIMUM AND 36.00 MILLIMETERS MAXIMUM MM
thread_length45.0 MILLIMETERS NOMINAL MM
thread_directionRIGHT-HAND
width_across_flats12.032 MILLIMETERS MINIMUM AND 12.212 MILLIMETERS MAXIMUM MM
end_item_identification2320-01-534-1887
thread_series_designatorISO M
part_name_assigned_by_controlling_agencySCREW, FLT, SOCKET M20-2.5X45C10.9 SPL
NSN5305-01-680-6355
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 988-4238 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
WIDTH ACROSS FLATS: 12.032 MILLIMETERS MINIMUM AND 12.212 MILLIMETERS MAXIMUM MM
•
THREAD LENGTH: 45.0 MILLIMETERS NOMINAL MM
•
THREAD DIRECTION: RIGHT-HAND
•
MATERIAL: STEEL OVERALL
•
THREAD SERIES DESIGNATOR: ISO M
•
HEAD DIAMETER: 35.38 MILLIMETERS MINIMUM AND 36.00 MILLIMETERS MAXIMUM MM
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS12.032 MILLIMETERS MINIMUM AND 12.212 MILLIMETERS MAXIMUM MM
THREAD LENGTH45.0 MILLIMETERS NOMINAL MM
THREAD DIRECTIONRIGHT-HAND
PART NAME ASSIGNED BY CONTROLLING AGENCYSCREW, FLT, SOCKET M20-2.5X45C10.9 SPL
END ITEM IDENTIFICATION2320-01-534-1887
MATERIALSTEEL OVERALL
THREAD SERIES DESIGNATORISO M
HEAD DIAMETER35.38 MILLIMETERS MINIMUM AND 36.00 MILLIMETERS MAXIMUM MM
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-000-0094 5305-00-000-1397 5305-00-000-2625 5305-00-000-3669 5305-00-000-3830 5305-00-000-3831
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 988-4238?
988-4238 is a SCREW,CAP,SOCKET HEAD.
What is the NSN for 988-4238?
988-4238 is cataloged in the U.S. Government catalog under NSN 5305-01-680-6355. This indicates validated use in U.S. government and defense supply chains.
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